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United States Patent | 5,129,878 |
Takano ,   et al. | July 14, 1992 |
The present invention discloses an assist circulation apparatus and a method of its driving. Use of the apparatus of the present invention and method of its driving permits weaning from the driving or wearing of the ventricular assist device with simple operation without extreme reduction in the output per beat of the ventricular assist device being attached or severely influencing the patient's body upon recovery of the failed heart.
Inventors: | Takano; Hisateru (Suita, JP); Taenaka; Yoshiyuki (Suita, JP); Nakatani; Takeshi (Suita, JP); Sasaki; Eisaku (Suita, JP); Hashimoto; Koichi (Ohtsu, JP); Ikeda; Minoru (Ohtsu, JP) |
Assignee: | Toyo Boseki Kabushiki Kaisha (Osaka, JP) |
Appl. No.: | 585878 |
Filed: | September 20, 1990 |
Sep 28, 1989[JP] | 1-253115 |
Current U.S. Class: | 600/18 |
Intern'l Class: | A61M 001/00 |
Field of Search: | 600/16,17,18 |
4016871 | Apr., 1977 | Schiff | 600/18. |
4162543 | Jul., 1979 | Shumakov et al. | 600/16. |
4666443 | May., 1987 | Portner | 600/16. |
4787368 | Nov., 1988 | Kageyama | 600/18. |
4796606 | Jan., 1989 | Mushika | 600/18. |